Comparison

Moon Defence vs AMSA Chess

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Moon Defence

Defend your space base on the moon from incoming asteroids in this arcade-style game. Pilot your defenses and protect the spaceships from destruction.

Highlights
  • Space arcade gameplay
  • Defend moon base
  • Protect spaceships
  • Asteroid defense
Features
Read full description

Moon Defence is a space arcade game. You must defend the spaceships on the moon from incoming asteroids.

About

AMSA Chess

This platform serves as the official online competition hub for mind sports in Asia, connecting national systems into a unified ecosystem. It offers official tournaments, professional fair play systems, AI training tools, and official rankings for players and organizers.

Highlights
  • Official tournament platform
  • Professional fair play system
  • AI training and analysis
  • Official Asian & National Rankings
  • Online PVP competition
  • Athlete database & digital infrastructure
Features
Read full description

AMSA Chess: Official Asian Mind Sports & National Qualifier Platform Take your place on the international stage. AMSA Chess is the exclusive official online competition platform developed by the Asian Mind Sports Association (AMSA). Operating within the framework of the Olympic Council of Asia (OCA), AMSA is building the long-term digital infrastructure and official athlete database for mind sports across Asia. Designed for players, federations, institutions, and organizers, AMSA Chess connects national systems into a unified Asian online competition and ranking ecosystem. Key Features: Official Tournament Platform The official platform for AMSA online competitions, national qualifiers, selection events, registrations, and future continental tournaments across Asia. Professional Fair Play System Compete with confidence through advanced fair play monitoring, anti-cheating systems, and behavioural analysis technology designed to maintain integrity and professionalism in online competition. AI Training & Analysis Train with advanced AI-powered tools for tactical improvement, analysis, and skill development. AMSA will continue working with chess champions, professional players, and experts to further develop and optimize the platform’s AI training system over the long term. Official Asian & National Rankings Track your official rankings across Asian and national leader boards, supporting athlete development, qualification systems, and competitive progression. Online PVP Competition Experience smooth real-time matchmaking and online competition with players and communities across Asia. Athlete Database & Digital Infrastructure Supporting the long-term digitalization of chess and mind sports through official player records, tournament systems, and future regional qualification frameworks. AMSA Chess is committed to advancing the digitalization, standardization, and international development of chess and mind sports in Asia — building the next-generation official online ecosystem for competitive mind sports. Download AMSA Chess today and join the future of Asian Mind Sports!

Screenshots

Moon Defence3 screens
AMSA Chess4 screens

Verdict

The call

The clearest difference is in-app purchases: Moon Defence at none against AMSA Chess's 10. Moon Defence also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AMSA Chess sells 10 one-off in-app purchases. Moon Defence asks for nothing beyond the download.

UpkeepUpdate frequency

Moon Defence ships an update every 4 days, AMSA Chess every 3 weeks. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

Scorecard2 real differences · 8 level
Moon Defence versus AMSA Chess: the parameters behind the verdict, then further details
ParameterMoon DefenceAMSA Chess
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—3 — better
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size16 MB123 MB
Age rating4+4+
DeveloperRyan McCafferyAsian Mind Sports

Customer experience

Moon Defence

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

AMSA Chess

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Moon Defence

No in-app purchases

10 purchases

AMSA Chess

One-time10
  • Coin Offer 1$0.99
  • Diamond Offer 1$0.99
  • 100 Diamond Pack$0.99
Show 7 more
  • Coin Offer 2$1.99
  • Diamond Offer 2$1.99
  • Coin Offer 3$2.99
  • Diamond Offer 3$2.99
  • 2000 Diamond Pack$19.99
  • 5000 Diamond Pack$49.99
  • 10000 Diamond Pack$99.99

Questions

Is Moon Defence free?
Moon Defence is free to download, with no in-app purchases.
Is AMSA Chess free?
AMSA Chess is free to download, with in-app purchases available.
Do Moon Defence or AMSA Chess have ads?
Neither Moon Defence nor AMSA Chess shows ads.
Which is updated more often, Moon Defence or AMSA Chess?
Moon Defence ships an update every 4 days, and AMSA Chess every 3 weeks. Most recently, Moon Defence was updated on November 1, 2026 and AMSA Chess on November 9, 2026.

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